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Simulink Desktop Realtime (R2015a) and Win8.1

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Alexander
Alexander 2016-2-23
关闭： MATLAB Answer Bot 2021-8-20
I have a Lenovo T440s with Win8.1 with Simulink Desktop Realtime. The sldrtex_vdp example runs fine in external mode with the default settings. Now, when I decrease the sample time to 1e-5 s, I can still start the model. However, the model will not progress, but I cannot stop it, either. The taskmanager shows high CPU load for Matlab. Interestingly, when I kill Matlab via the Taskmanager, the overall CPU load does not decrease. I don't understand why, but I have found out (don't ask me how), that when I go the Power Plan settings and click on "Restore default settings for this plan", the overall CPU load in the Task Manager immediately decreases.
Is there maybe some problem with Simulink Desktop Realtime and power saving features of windows?
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Titus Edelhofer
Titus Edelhofer 2016-2-23
Hi,
I have no idea about the power plan, but killing MATLAB not reducing the CPU load is explainable: the CPU time is not consumed by MATLAB but by the Real-Time executable. The external mode is "only" receiving and displaying results, the hard work is done by a seperate process...
Titus
Alexander
Alexander 2016-2-24
This does make sense, but the Real-Time executable does not show up in the in the Taskmanager process list? And even then the question remains that in what way the Real-Time executable is stopped by resetting the power plan?

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